The Spelling.

use the google

The different pokemons you can obtain......

And if you're a male.....whether you'll be called gay or not.

they are both recycled content from nintendo to suck your wallet dry of money

Very similar just some differences in the pokemon u can attain

In pearl you can catch Glameow (I'm not sure how to spell it >_<)

ugh i hate the pokemon sereis xD

they both suck!

wuts the difference between all the pokemon games?

there is a big difference!!!

nothing much.
but there still fun to play =_=

well, the title itself

Each has different Pokemon.

Pokemon that are in Diamond but NOT Pearl: Seel, Dewgong, Scyther, Murkrow, Scizor, Larvitar, Pupitar, Tyranitar, Poochyena, Mightyena, Aron, Lairon, Aggron, Kecleon, Cranidos, Rampardos, Honchkrow, Stunky, Skuntank, Dialga

Pokemon that are in Pearl but NOT Diamond: Slowpoke, Slowbro, Pinsir, Slowking, Misdreavus, Houndour, Houndoom, Stantler, Spheal, Sealeo, Walrein, Bagon, Shelgon, Salamence, Shieldon, Bastiodon, Mismagius, Glameow, Purugly, Palkia

they are not the same they both have meny different pokemon
and im pretty shur you can get different Hms and Tms